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This lesson covers the characteristics and behaviors of the sun, earth, and moon, including their composition, rotation, orbit, and the causes of seasons. Additionally, it explores the concepts of constellations, stars, and the moon's lighting.
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What type of object is the Sun? Page 367
Why does the Sun seem brighter than any other stars? Page 367
It is closer than the other stars.
Is the Sun solid, liquid, or gas? Page 367
The Sun is a gas.
Why does the Sun look so small from Earth? Page 368
The Sun is so far away so it looks smaller than it really is.
What 2 things does the Sun produce? Page 369
The Sun produces heat and light.
How many hours does it take Earth to make one rotation? Page 371
Would daytime be shorter or longer if Earth’s rotation were slower? Page 371
What is an axis? Page 370
An axis is an imaginary line through the center of the Earth that it spins on.
What is a rotation? Page 370
The spinning on an axis is called a rotation. Earth makes one complete rotation each day.
At what 2 times of the day does the Sun look lower in the sky? Page 372
Morning And Evening
What is the name of Earth’s path around the sun? Page 374
An orbit is Earth’s path around Sun.
How many months does it take for Earth to orbit the Sun? Page 374
It take Earth 12 months to orbit the sun. That’s one YEAR!
What season is it when the part of Earth you are on points away from the sun? Page 375
If the part of the Earth you are on is pointing away from the sun, you are having winter.
What causes seasons? Page 374-375
The tilt of Earth and Earth’s orbit around the Sun cause the seasons to change.
True or False Earth is always tilted in the same direction. Page 374
True Earth is always tilted in the same direction.
What do you call a group of stars such as the Big Dipper? Page 376
A group of stars • that form • a picture is called • a constellation.
Why don’t you see other stars in the sky during the day? Page 376
The Sun is too bright during the day.
Why might a star look tiny in the sky even though it is bigger than the sun? Page 376
The star is farther away than the Sun so it looks smaller.
What is the biggest object in the night sky? Page 378
The moon is the brightest object in the night sky.
What is a crater? Page 378
A crater is a hole in the ground that is shaped like a bowl.
How is the Moon lighted? Page 380
The moon is lighted by the Sun.